Home / 84,327.15-126,510.58-27,400.87

Finding the Fourth Proportional to 84,327.15, 126,510.58 and 27,400.87

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Solution

The fourth proportional to 84,327.15, 126,510.58 and 27,400.87 is: 41,107.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,327.15 : 126,510.58 = 27,400.87 : x
  2. Step 2: Convert to fraction form
    84,327.15/126,510.58 = 27,400.87/x
  3. Step 3: Cross multiply
    84,327.15x = 126,510.58 × 27,400.87
  4. Step 4: Simplify right side
    84,327.15x = 3,466,500,047.75
  5. Step 5: Solve for x
    x = 3,466,500,047.75/84,327.15
  6. Step 6: Final answer
    x = 41,107.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.